--- a/eric6/Plugins/VcsPlugins/vcsGit/GitDiffHighlighter.py Sat Aug 31 12:29:57 2019 +0200 +++ b/eric6/Plugins/VcsPlugins/vcsGit/GitDiffHighlighter.py Sat Aug 31 12:58:11 2019 +0200 @@ -9,158 +9,9 @@ from __future__ import unicode_literals -import re - -from PyQt5.QtGui import QSyntaxHighlighter, QColor, QTextCharFormat, QFont - -import Preferences - -try: - from E5Gui.E5GenericDiffHighlighter import TERMINAL, \ - E5GenericDiffHighlighter -except ImportError: - def TERMINAL(pattern): - """ - Function to mark a pattern as the final one to search for. - - @param pattern pattern to be marked (string) - @return marked pattern (string) - """ - return "__TERMINAL__:{0}".format(pattern) - - # Cache the results of re.compile for performance reasons - _REGEX_CACHE = {} +from PyQt5.QtGui import QColor - class E5GenericDiffHighlighter(QSyntaxHighlighter): - """ - Class implementing a generic diff highlighter. - """ - def __init__(self, doc): - """ - Constructor - - @param doc reference to the text document (QTextDocument) - """ - super(E5GenericDiffHighlighter, self).__init__(doc) - - self.textColor = QColor(0, 0, 0) - self.addedColor = QColor(190, 237, 190) - self.removedColor = QColor(237, 190, 190) - self.replacedColor = QColor(190, 190, 237) - self.contextColor = QColor(255, 220, 168) - self.headerColor = QColor(237, 237, 190) - - self.normalFormat = self.makeFormat() - - self._rules = [] - self.generateRules() - - def generateRules(self): - """ - Public method to generate the rule set. - - Note: This method must me implemented by derived syntax - highlighters. - """ - pass - - def createRules(self, *rules): - """ - Public method to create the highlighting rules. - - @param rules set of highlighting rules (list of tuples of rule - pattern (string) and highlighting format (QTextCharFormat)) - """ - for ruleFormat in rules: - rule, formats = ruleFormat - terminal = rule.startswith(TERMINAL('')) - if terminal: - rule = rule[len(TERMINAL('')):] - try: - regex = _REGEX_CACHE[rule] - except KeyError: - regex = _REGEX_CACHE[rule] = re.compile(rule) - self._rules.append((regex, formats, terminal)) - - def formats(self, line): - """ - Public method to determine the highlighting formats for a line of - text. - - @param line text line to be highlighted (string) - @return list of matched highlighting rules (list of tuples of match - object and format (QTextCharFormat)) - """ - matched = [] - for rx, formats, terminal in self._rules: - match = rx.match(line) - if not match: - continue - matched.append([match, formats]) - if terminal: - return matched - - return matched - - def makeFormat(self, fg=None, bg=None, bold=False): - """ - Public method to generate a format definition. - - @param fg foreground color (QColor) - @param bg background color (QColor) - @param bold flag indicating bold text (boolean) - @return format definiton (QTextCharFormat) - """ - font = Preferences.getEditorOtherFonts("MonospacedFont") - charFormat = QTextCharFormat() - charFormat.setFontFamily(font.family()) - charFormat.setFontPointSize(font.pointSize()) - - if fg: - charFormat.setForeground(fg) - - if bg: - charFormat.setBackground(bg) - - if bold: - charFormat.setFontWeight(QFont.Bold) - - return charFormat - - def highlightBlock(self, text): - """ - Public method to highlight a block of text. - - @param text text to be highlighted (string) - """ - formats = self.formats(text) - if not formats: - # nothing matched - self.setFormat(0, len(text), self.normalFormat) - return - - for match, charFormat in formats: - start = match.start() - groups = match.groups() - - # No groups in the regex, assume this is a single rule - # that spans the entire line - if not groups: - self.setFormat(0, len(text), charFormat) - continue - - # Groups exist, rule is a tuple corresponding to group - for groupIndex, group in enumerate(groups): - if not group: - # empty match - continue - - # allow None as a no-op format - length = len(group) - if charFormat[groupIndex]: - self.setFormat(start, start + length, - charFormat[groupIndex]) - start += length +from E5Gui.E5GenericDiffHighlighter import TERMINAL, E5GenericDiffHighlighter class GitDiffHighlighter(E5GenericDiffHighlighter):